CVE-2025-51678

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en RISC-V PicoRV32 commit 87c89a. Una discrepancia en la PCPI INSN y la direcci\u00f3n de memoria puede llevar a un comportamiento inesperado."}], "id": "CVE-2025-51678", "lastModified": "2026-10-13T09:10:00.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-51678", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-20T17:55:36.415584Z", "version": "2.0.3"}}]}, "published": "2026-07-17T20:17:13.887", "references": [{"source": "cve@mitre.org", "url": "https://github.com/YosysHQ/picorv32/issues/269"}, {"source": "cve@mitre.org", "url": "https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html"}, {"source": "cve@mitre.org", "url": "https://www.arxiv.org/abs/2504.18812"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-704"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "87c89a"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "picorv32", "vendor": "yosyshq"}], "created": "2026-07-22T04:00:04.879395+00:00", "title": "PCPI Instruction Mismatch Causing Memory Address Corruption in PicoRV32", "updated": "2026-07-31T01:15:18.427267+00:00", "vendors": ["yosyshq", "yosyshq$PRODUCT$picorv32"]}